Letters

01 September 1978 Comments Letters Great Blue and aberrant Grey Herons I was interested to learn of the two observations of melanistic Grey Herons Ardea cinerea (Brit. Birds 70: 76, 345-346), as well as the one seen in the Camargue, France, by Dr J. G. and Dr P. F. Harrison and ...
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Letters

01 March 1929 Comments Letters SIRS,--In connexion with Mr. J. Bartholomew's observation of a Blackbird reaching maturity with a deformed bill (Vol. X X L , p . 69), a somewhat similar case has come under m y notice this winter. In this case it is a n Alpine Chough (Pyrrhocorax graculu...
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